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. Author manuscript; available in PMC: 2015 Jan 28.
Published in final edited form as: Macromolecules. 2014 Jan 16;47(2):791–799. doi: 10.1021/ma401684w

Figure 6.

Figure 6

Mechanical enhancement in axial loading. Uniaxial compression of o-Cys-P4-Cys (A) and P4 (B) showing the rate-dependence and nonlinearity of the stress response of gels to 80% nominal strain. (C) Uniaxial compression at 1% s-1 nominal strain rate showing that chain entanglement does not affect the relaxation behavior at small deformation. (D) True stress-strain curve of topologically entangled gel reveals the strain hardening behavior during tensile loading. The photographs in the inset illustrate the neck stabilization and propagation, and the stable drawing of the specimen. All hydrogels are prepared at 15 (w/v)% concentration.